Flexibility series


The Flexibility series (USG FLEX) has been designed to deliver superior network protection for both internal and external threats, by leveraging from its high-precision threat detection technology. Our threat protection is powered by Zyxel Networks’ Security Cloud which also incorporates leading-edge technology partners, allowing the Flexibility series (USG FLEX) to maximize on performance by delivering up to 5x better Unified Threat Management (UTM) throughput over previous generations of Zyxel Networks' security gateway solutions.

Zyxel Networks Security Cloud offers increased accuracy in the detection of threats by gaining access to billions of signatures that are constantly evolving in real-time.

The Flexibility Series (USG FLEX) allows the use of new techniques such as Zero-Trust and industry-leading DNS content filtering, along with access to our centralised management platform Nebula.

Nebula gives you access to faster deployments and centralized configuration which caters for multi-tier management from a single network or many different organizations all from a single pane of glass. Manage your network Security together with other network elements such as Switching and Wireless to create a fully managed network infrastructure that can scale with you.

Technical Specs

SPI firewall throughput: 2,300 Mbps
IDP throughput: 1,500 Mbps
UTM throughput (AV and IDP): 800 Mbps
VPN throughput: 810 Mbps
Concurrent IPsec VPN tunnels: 300
Concurrent SSL VPN users: 150
VLAN interface: 64
Max. TCP concurrent sessions: 1,000,000
Size Guide (No. of users): 200
WLAN Management
WLAN Controller: YES
Secure WiFi Service: YES
Max Managed AP: 72
Max Tunnel-Mode AP: 18
Built-in WLAN: -
Hardware Specifications
WAN Ports (1G): 7x + 1x SFP (configurable)
LAN Ports (1G): -
Console Port: YES (DB9)
USB3.0 Ports: 2
Fanless: -
Key Features
Device HA: YES
VPN Azure: YES
Amazon VPC: YES
On Premise Hotspot: YES
Anti-Malware: YES
Application Patrol: YES
Web Filtering: YES
SSL Inspection: YES
Reputation Filter: -
Geo Enforcer: -
Sandboxing: -
Stream Scan Mode: YES
Express Scan Mode: YES
Dual Scan Mode: -

Zyxel Networks reserves the right to replace any 3rd party supplier(s) to ensure our clients are always experiencing the best level of service.
Management & Reporting
On Premise (standalone) Mode: YES
WLAN Controller (standalone): YES
Nebula Central Management Mode: YES
2-Factor Authentication: YES
SecuReporter: YES
View full device specs


Firewall Inspection Throughput (SPI)


Firewall UTM Throughput (AV, IDP)


Designed to support (No. of users)

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